using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Yuan asd = new Yuan();

            double num1 = asd.a1(3);
            Console.WriteLine("圆面积是：{0}",num1);

            int num2 = asd.a1(3,4);
            Console.WriteLine("长方形面积是：{0}",num2);

            Console.WriteLine();

            Xingming xm = new Xingming ();
            xm .Id = 1;
            xm .Name = "张三";
            xm .Mas = "财务部";
            
            xm .aaa();

            xm .bbb(2,"王五","实践部");



        }
    }
}